Which of the following quantity has unit volt-metre (Vm)?

The correct answer is Option (1) → Electric flux

The potential difference (V) is -

$V=E×d$

$⇒E=\frac{V}{d}=\frac{volt}{meter}$

and,

$\phi_e=\vec E.\vec A=\frac{volt}{meter}×meter^2$

$\phi_e$ = volt-meter [$\phi_e$ electric flux]